The company then followed up with a poll asking people where they keep their ketchup. As of Thursday morning, nearly 60% of respondents said they keep the condiment in the fridge. Social media debates ...

By refrigerating some of its ketchup, the British grocer ASDA just wanted to "give everyone what they want." Instead, it stoked the flames of a long-simmering argument: where to keep the ketchup.

Ketchup will be fine for a month outside the fridge, while mustard will last for two months. Worcestershire sauce is another condiment that certainly benefits from fridge-time but isn’t necessary.

Prescription: The Fridge Door Doctor prefers to keep condiments to a minimum, because it is hard to use up all those ingredients. "You can quickly collect 50 bucks (or more) of stuff in your ...

Fridge or cupboard: Where do you keep your ketchup? Dr. Melvin N. Kramer, the president of a group that consults on food safety, joined NPR to bring science to this condiment conundrum.

Fridge!!!” Kraft Heinz, whose ketchup is among its popular condiments, shared the heavily punctuated statement on Tuesday in a tweet that reached over 4 million people.

But, as it turns out, they're right. Madelyn Fernstrom, TODAY health and nutrition editor, says that you can keep ketchup in your pantry if it's unopened, but if it's open, the fridge will extend ...

And here's where I discover my entire condiment collection should probably be tossed — "Ketchup will last six months in the fridge," she advises, "mustard a year, and mayonnaise two months." ...

It’s time to take a look through your fridge. According to experts, a handful of common household condiments can be dangerous once they pass their expiration date.